Yet these arguments are based on the morality of all involved. The world teaches us that where there is money, there is corruption.

Heck, you could set up shell companies and scam the payout process with imaginary costs like rent, when you live in your own property, etc. Unless the guys at Kickstarter are financial experts they would never notice, nor could they tell what is legit expense and what scam or simply "waste".

I don't think it'd be difficult to exploit. All it requires is a mild level of criminal intent and some intelligence.